#include<iostream> using namespace std; int main(){ int n,m; cin>>n>>m; int a[n+1]={0},p=1; for(int i=1;i<=m;i++){ if(i%p==0){ a[i]++; } p++; } cout<<"1,"; for(int i=2;i<=n;i++){ if(a[i]%2!=0){ cout<<","<<i; } } return 0; }